CN107164993A - 石墨烯施胶剂组合物及其制备方法 - Google Patents

石墨烯施胶剂组合物及其制备方法 Download PDF

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CN107164993A
CN107164993A CN201710272395.4A CN201710272395A CN107164993A CN 107164993 A CN107164993 A CN 107164993A CN 201710272395 A CN201710272395 A CN 201710272395A CN 107164993 A CN107164993 A CN 107164993A
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graphene
sizing composition
modified starch
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沙嫣
沙晓林
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Nantong Johnson Graphene Technology Co Ltd
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Abstract

本发明提供了一种石墨烯施胶剂组合物及其制备方法，该施胶剂包括如下组分：石墨烯或石墨烯衍生物、阴离子表面活性剂、分散剂、石蜡、改性淀粉、壳聚糖、去离子水。该制备方法为：将改性淀粉溶于去离子水中，得到改性淀粉溶液；在所述改性淀粉溶液中加入阳离子表面活性剂、石蜡和壳聚糖，分散后得到组合物A；将所述组合物A与石墨烯或石墨烯衍生物、分散剂混合，分散后，乳化，控制pH值为4～5，得到所述施胶剂组合物。本发明具有如下的有益效果：能显著提高纸张的抗菌、防螨、防霉性能；对纸张的强力显著提高；纸张耐破强力提高到4.5kg；可广泛的应用到卫生纸、抗菌医用纸、抗菌文化纸的生产加工中。

Description

石墨烯施胶剂组合物及其制备方法
技术领域
本发明涉及一种石墨烯施胶剂组合物及其制备方法，属于造纸添加剂技术领域。
背景技术
施胶剂，又称浆内施胶，是一种造纸添加剂，用于对纸浆、纸张、纸板进行处理，取得抗流体渗透的性能，能赋予纸和纸板抗墨、抗水、抗乳液和抗腐蚀等性能，进而提高纸和纸板的平滑度、强度和使用寿命。
现有的施胶剂在使用后，纸张强度差；抗菌性差滴上有机污渍后容易滋生细菌；纸张使用寿命小容易发霉。
发明内容
针对现有技术中的缺陷，本发明的目的是提供一种石墨烯施胶剂组合物及其制备方法。
本发明是通过以下技术方案实现的：
本发明提供了一种石墨烯施胶剂组合物，其包括按重量百分数计的如下组分：
作为优选方案，所述石墨烯衍生物包括氧化石墨烯和改性石墨烯中的一种或两种。含量不能高于1.5％，否则容易分散不均匀。
作为优选方案，所述阴离子表面活性剂为磺酸盐类阴离子表面活性剂。含量不能高于10％，否则容易产生气泡，影响施胶剂的使用。
作为优选方案，所述磺酸盐类阴离子表面活性剂选自木质素磺酸盐、烷基甘油醚磺酸盐、琥珀酸酯磺酸盐的至少一种。
作为优选方案，所述分散剂选自正丁醇、异丁醇、新戊醇、甘醇的至少一种。
作为优选方案，所述改性淀粉为阴离子改性淀粉，取代度为0.03～0.08％，含水量为10～20％。含量不能高于60％，否则会导致粘度过大不利于施胶的进行。
作为优选方案，所述壳聚糖的脱乙酰度为50～60％。
一种如前述的石墨烯施胶剂组合物的制备方法，其包括如下步骤：
将改性淀粉溶于去离子水中，得到改性淀粉溶液；
在所述改性淀粉溶液中加入阳离子表面活性剂、石蜡和壳聚糖，分散后得到组合物A；
将所述组合物A与石墨烯或石墨烯衍生物、分散剂混合，分散后，乳化，控制pH值为4～5，得到所述施胶剂组合物。
作为优选方案，所述改性淀粉溶液的粘度为24～60mpa/s。
与现有技术相比，本发明具有如下的有益效果：
1、本发明相比使用普通施胶剂的纸张，能显著提高纸张的抗菌、防螨、防霉性能；
2、本发明使用后意外的发现对纸张的强力显著提高；纸张耐破强力提高到4.5kg；
3、本发明可广泛的应用到卫生纸、抗菌医用纸、抗菌文化纸的生产加工中。
具体实施方式
下面结合具体实施例对本发明进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本发明，但不以任何形式限制本发明。应当指出的是，对本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进。这些都属于本发明的保护范围。
实施例1
本实施例涉及一种石墨烯施胶剂组合物的制备方法，其包括如下步骤：
一、将石墨烯、木质素磺酸盐、正丁醇、石蜡、阴离子改性淀粉(山东誉恒纤维素有限公司，羧甲基淀粉CMS，特级，取代度大于0.20％)、壳聚糖和去离子水分别按照0.1％、20％、7％、10％、37.9％、5％和20％的重量百分数进行配料；
二、将阴离子改性淀粉溶于去离子水中，得到改性淀粉溶液；
三、在所述改性淀粉溶液中加入木质素磺酸盐、石蜡和壳聚糖，在50℃下搅拌2h后，得到组合物A；
四、将所述组合物A与石墨烯、正丁醇混合，超声分散后半小时后，用高剪切分散乳化器乳化5min，控制pH值为4～5，得到所述施胶剂组合物。
本实施例制备得到的施胶剂的性能如表1所示。
表1、实施例1制备施胶剂的性能参数
外观 白色乳化体系
固含量 40±1％
离子性 阴离子性
pH 4-5
粒径 320nm
冰点 0℃
实施例2
本实施例涉及一种石墨烯施胶剂组合物的制备方法，其包括如下步骤：
一、将石墨烯、烷基甘油醚磺酸盐、异丁醇、石蜡、阴离子改性淀粉(大城县亦博化工有限公司，羧甲基淀粉CMS，优级，取代度大于0.5％)和壳聚糖去离子水分别按照0.5％、20％、2％、15％、32.5％、5％和25％的重量百分数进行配料；
二、将阴离子改性淀粉溶于去离子水中，得到改性淀粉溶液；
三、在所述改性淀粉溶液中加入烷基甘油醚磺酸盐、石蜡和壳聚糖，在50℃下搅拌2h后，得到组合物A；
四、将所述组合物A与石墨烯、异丁醇混合，超声分散半小时后，用高剪切分散乳化器乳化5min，控制pH值为4～5，得到所述施胶剂组合物。
本实施例制备得到的施胶剂的性能如表1所示。
表2、实施例2制备施胶剂的性能参数
外观 白色乳化体系
固含量 45±1％
离子性 阴离子性
pH 3-4
粒径 300nm
冰点 0℃
以上对本发明的具体实施例进行了描述。需要理解的是，本发明并不局限于上述特定实施方式，本领域技术人员可以在权利要求的范围内做出各种变形或修改，这并不影响本发明的实质内容。

Claims (9)

1.一种石墨烯施胶剂组合物，其特征在于，包括按重量百分数计的如下组分：
2.如权利要求1所述的石墨烯施胶剂组合物，其特征在于，所述石墨烯衍生物包括氧化石墨烯和改性石墨烯中的一种或两种。
3.如权利要求1所述的石墨烯施胶剂组合物，其特征在于，所述阴离子表面活性剂为磺酸盐类阴离子表面活性剂。
4.如权利要求3所述的石墨烯施胶剂组合物，其特征在于，所述磺酸盐类阴离子表面活性剂选自木质素磺酸盐、烷基甘油醚磺酸盐、琥珀酸酯磺酸盐的至少一种。
5.如权利要求1所述的石墨烯施胶剂组合物，其特征在于，所述分散剂选自正丁醇、异丁醇、新戊醇、甘醇的至少一种。
6.如权利要求1所述的石墨烯施胶剂组合物，其特征在于，所述改性淀粉为阴离子改性淀粉，取代度为0.03～0.08％，含水量为10～20％。
7.如权利要求1所述的石墨烯施胶剂组合物，其特征在于，所述壳聚糖的脱乙酰度为50～60％。
8.一种如权利要求1所述的石墨烯施胶剂组合物的制备方法，其特征在于，包括如下步骤：
将改性淀粉溶于去离子水中，得到改性淀粉溶液；
在所述改性淀粉溶液中加入阳离子表面活性剂、石蜡和壳聚糖，分散后得到组合物A；
将所述组合物A与石墨烯或石墨烯衍生物、分散剂混合，分散后，乳化，控制pH值为4～5，得到所述施胶剂组合物。
9.如权利要求8所述的石墨烯施胶剂组合物的制备方法，其特征在于，所述改性淀粉溶液的粘度为24～60mpa/s。
CN201710272395.4A 2017-04-14 2017-04-24 石墨烯施胶剂组合物及其制备方法 Pending CN107164993A (zh)

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CN109750494A (zh) * 2019-01-28 2019-05-14 上海矽联新材料科技有限公司 一种石墨烯改性蜡乳液及其制备方法
CN110004713A (zh) * 2019-04-25 2019-07-12 北京洁尔爽高科技有限公司 含银的石墨烯浆及其制备方法和所制备的产品
CN110860272A (zh) * 2019-11-04 2020-03-06 南通强生石墨烯科技有限公司 一种石墨烯抗菌碳球及其制备方法和应用
CN113463438A (zh) * 2021-06-28 2021-10-01 陕西科技大学 一种超疏水纸基双功能柔性传感材料及其制备方法和应用

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109750494A (zh) * 2019-01-28 2019-05-14 上海矽联新材料科技有限公司 一种石墨烯改性蜡乳液及其制备方法
CN110004713A (zh) * 2019-04-25 2019-07-12 北京洁尔爽高科技有限公司 含银的石墨烯浆及其制备方法和所制备的产品
CN110004713B (zh) * 2019-04-25 2021-07-27 北京洁尔爽高科技有限公司 含银的石墨烯浆及其制备方法和所制备的产品
CN110860272A (zh) * 2019-11-04 2020-03-06 南通强生石墨烯科技有限公司 一种石墨烯抗菌碳球及其制备方法和应用
CN113463438A (zh) * 2021-06-28 2021-10-01 陕西科技大学 一种超疏水纸基双功能柔性传感材料及其制备方法和应用

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